PE_ERR_NOPRINTWINDOW (519) - SAP There is no print window available to make your call successful (for any call that depends on a print window already existing: PEGetWindowHandle, PECloseWindow, PEPrintWindow). CrystalReportsPrintEngineComments

PE_ERR_PRINTFILEEXISTS (514) - SAP The name you have specified for the export file already exists. You must delete the file and export again or specify a different file. CrystalReportsPrintEngineComments

PE_ERR_NEXTATLASTPAGE (543) - SAP You are using the next page control in the Print Preview window when you're already at the last page of the report. CrystalReportsPrintEngineComments